Hi guys My older brother is picking up a sr9c today. It is his first pistol. I have taught him all the safety rules till cows come home. I have taken him to the outdoor range many times. He just passed his cc class. I do a lot of firing my 40 with snap caps. My question should he invest in snap caps for the sr9c? Some pistols almose require it others ppl say don't bother. Will extensive dry firing without snap caps cause any harm on his new pistol?